# How to put period between two variables

**URL:** <https://forum.ansible.com/t/how-to-put-period-between-two-variables/23656>\
**Category:** Ansible Project\
**Created:** [February 7, 2017, 3:13am UTC](https://forum.ansible.com/t/how-to-put-period-between-two-variables/23656 "2017-02-07T03:13:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Kenton\_Brede](https://avatars.discourse-cdn.com/v4/letter/k/db5fbb/32.png) [@Kenton\_Brede](https://forum.ansible.com/u/Kenton_Brede)\
**Post date:** [February 7, 2017, 3:13am UTC](https://forum.ansible.com/t/how-to-put-period-between-two-variables/23656/1 "2017-02-07T03:13:02Z")

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So this will print what I want:

- debug:  
msg: “{{ groups.tag\_Name\_shibboleth\_aws\_dev1[0] }}”

But I’m using a with\_items and need something like this:

- { host: ‘tag\_Name\_shibboleth\_aws\_dev1’, othervar: ‘blah’ }

- debug:  
msg: “{{ groups.item.host[0] }}”

Joining the two like so doesn’t work:

“{{ groups + ‘.’ + item.host }}”

How do I do this?

Thanks,

Kenton Brede

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**Author:** ![Johannes\_Kastl](https://avatars.discourse-cdn.com/v4/letter/j/bbe5ce/32.png) [@Johannes\_Kastl](https://forum.ansible.com/u/Johannes_Kastl)\
**Post date:** [February 7, 2017, 10:15am UTC](https://forum.ansible.com/t/how-to-put-period-between-two-variables/23656/2 "2017-02-07T10:15:22Z")

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Use the actual join filter:

"{{ [groups, '.', item.host | join] }}"

[https://docs.ansible.com/ansible/playbooks\_filters.html](https://docs.ansible.com/ansible/playbooks_filters.html)

Johannes

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<div class="post-metadata">

**Author:** ![Stankovic\_Marko](https://avatars.discourse-cdn.com/v4/letter/s/e495f1/32.png) [@Stankovic\_Marko](https://forum.ansible.com/u/Stankovic_Marko)\
**Post date:** [February 7, 2017, 2:21pm UTC](https://forum.ansible.com/t/how-to-put-period-between-two-variables/23656/3 "2017-02-07T14:21:49Z")

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You are looking for the "bracket notation", as described here:  
[http://docs.ansible.com/ansible/playbooks\_variables.html#what-makes-a-valid-variable-name](http://docs.ansible.com/ansible/playbooks_variables.html#what-makes-a-valid-variable-name)

So, this should work in your example:  
"{{ groups[item.host][0] }}"

Cheers,  
Marko  
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